BETAFPV Micro - Page 11

● Frequency bands ( 2.4GHz version): 2.4GHz ISM
● Frequency bands ( 915MHz/868MHz version): 915MHz FCC/868MHz EU
● RF output power: 25mW/50mW/100mW/250mW/500mW (2.4GHz)
100mW/250mW/500mW (915MHz/868MHz)
● Packet refresh rate: 50Hz/150Hz/250Hz/500Hz (2.4GHz)
25Hz/50Hz/100Hz/200Hz (915MHz/868MHz)
● Input voltage: 5-12V (2S)
● USB po: Type-C
ExpressLRS uses the Crossre serial protocol (AKA CRSF
protocol) to communicate between the radio transmitter and
the RF TX module. So make sure your radio transmitter suppo
the CRSF serial protocol. Next, we use the radio transmitter with
OpenTX system to show how to setup the CRSF protocol and
LUA script.
Basic Conguration
BETAFPV Micro RF TX module is compatible with radio transmit-
ter which has the micro module bay (AKA JR/SLIM module bay,
e.g. Frsky Taranis X9D、TBS Mambo).
ExpressLRS uses the CRSF serial protocol to communicate
between the radio transmitter and the RF TX module. To set this
up, in OpenTX system, enter into model settings, and on the
"MODEL SETUP" tab, turn o the "Internal RF". Next enable
"External RF" and select "CRSF" as the protocol.
CRSF Protocol
Note：Please assemble the antenna before power on. Otherwise, the PA
chip in the RF TX module will be damaged permanently.
SMA-KE Po
NC
CRSF Serial Po
5V-12V
GND